Microwave plate cover



FIG. 1 is a top, front, and right side perspective view of a microwave plate cover showing my new design, the rear and side opposite those shown are similar thereto;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a microwave plate cover, as shown and described. 